Battery box storage and exchange facility of e.g. officially-sealed electricity meter, locates box near hinge on lid, such that replacement is rapidly carried out.

摘要

A battery box (4) is detachably fastened near the hinge, on an inner wall of the instrument lid (3). When the lid is opened, the box is accessible for rapid battery exchange. The leads (5, 6) connecting the battery are so led out to the instrument (2) that they and the box can be exchanged quickly.